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The master reset code for Samsung GT B5310 Corby Pro is *2767*3855# which can be easily entered on your phone to reset itself back to it`s default manufacturer`s settings restoring the phone`s password to default.

Steps:
1. Before doing a hard-reset, make sure that your Samsung GT B5310 Corby Pro has been fully charged.

I suggest before attempting to hard-reset your Samsung GT B5310 Corby Pro to back up first all the data and applications stored on your phone because a hard-reset will wipe out all the data stored and applications stored on your phone.

"Key to confirm -the phone will reset back to as if it was..."

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Please do the following:

-power off the phone
-hold the back arrow,volume down key, power key at the same time -keep holding until a black screen with yellow letters will show on the -screen -use the volume buttons to find factory reset. -press home key to confirm -the phone will reset back to as if it was a brand new phone -start over from scratch -you will need to recreate a gmail id and password. maybe you want to write it down this time.

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